4th Grade Harcourt Unit F Ch 1 Electricity and Magnetism
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| charge | measurement of an object's extra positive or negative particles
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| static electricity | charge that stays on an object
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| electric field | space around an object where electric forces occur
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| electric current | flow of electric charges
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| circuit | path made for an electric current
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| electric cell | supplies energy to move chargs through a circuit
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| conductor | material that electric current can pass through easily
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| insulator | material that electric current cannot easily pass through
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| resistor | material that resists but doesn't stop the flow of electric current
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| series circuit | circuit with one path for elecgtric current
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| parallel circuit | circuit with more than one path for electric current
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| magnet | object that attracts things made of iron or steel
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| magnetic poles | ends of a magnet
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| magnetic field | space around a magnet where the force of the magnet acts
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| electromagnet | arrangement of wire wrapped around a core
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
crandolph
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